Pakistan, Sept. 25 -- China's 13-year-old swimming prodigy Yu Zidi has stamped her mark all over the Asian Games and she could cause a sensation at the Los Angeles Olympics in two years' time.

The schoolgirl won all three individual races she swam this week in Tokyo with Asian Games records - a series of performances that belied her tender age. Out of the pool she proved herself to be a typical teenager, joking around with team-mates and freezing when asked about herself in interviews. She will be 15 when the LA Olympics come round in 2028 and likely to be a major medal threat with the world watching. "She hasn't become that fast for no reason," said team-mate Ke Wenxi, who Yu beat in the 400m individual medley final to complete her gold...